from tkinter import *
from intro.gui6 import Hello


class HelloExtender(Hello):
    def makewidgets(self):
        Hello.makewidgets(self)
        Button(self, text='Extend', command=quit).pack(side=RIGHT)

    def message(self):
        print('hello, ', self.data)


if __name__ == '__main__':
    HelloExtender().mainloop()

